Loans, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Contract	Sep. 30, 2012 Contract	Sep. 30, 2013 Contract	Sep. 30, 2012 Contract
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0	2	5	4
Troubled Debt Restructurings, Pre-Modification	$ 0	$ 248	$ 1,480	$ 703
Troubled Debt Restructurings, Post-Modification	0	248	1,453	702
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts	1	0	1	2
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	81	0	81	114
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts	1		1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	81		81
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0		2
Troubled Debt Restructurings, Pre-Modification	0		229
Troubled Debt Restructurings, Post-Modification	0		226
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts		0		1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment		0		64
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0	0	1	1
Troubled Debt Restructurings, Pre-Modification	0	0	226	57
Troubled Debt Restructurings, Post-Modification	0	0	226	57
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0	2	2	3
Troubled Debt Restructurings, Pre-Modification	0	248	1,025	646
Troubled Debt Restructurings, Post-Modification	0	248	1,001	645
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts		0		1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment		$ 0		$ 50